Home Chemistry Hydrocarbon JEE ADVANCED Previous Year Question The correct statement(s) about the following…
Chemistry Hydrocarbon JEE ADVANCED Previous Year Question Single Correct MCQ
Published on: August 13, 2026

The correct statement(s) about the following reaction sequence is(are)

Cumene (C 9 H 12 ) P Q (major) + R (minor)

Q S

A
R is steam volatile
B
Q gives dark violet coloration with 1% aqueous FeCl 3 solution
C
S gives yellow precipitate with 2, 4-dinitrophenylhydrazine
D
S gives dark violet coloration with 1% aqueous FeCl 3 solution

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Text Solution

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The correct answer is:
CHECK THE SOLUTION.

(b,c)

Q is steam volatile not R.

Q & R show positive test with 1% aqueous FeCl 3 Solution.

Q, R, S show positive 2,4-dinitrophenyl hydrazine.

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